package org.example;

public class LanHanModelSingle {
    private static LanHanModelSingle lanHanModelSingle = null;
    public static LanHanModelSingle getInstance(){
        if(lanHanModelSingle == null){
            lanHanModelSingle = new LanHanModelSingle();
        }

        return lanHanModelSingle;
    }
}
